US20130098723A1 - Method and apparatus for transporting power to electric vehicle with segments of power supply road - Google Patents

Method and apparatus for transporting power to electric vehicle with segments of power supply road Download PDF

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Publication number
US20130098723A1
US20130098723A1 US13/496,100 US201013496100A US2013098723A1 US 20130098723 A1 US20130098723 A1 US 20130098723A1 US 201013496100 A US201013496100 A US 201013496100A US 2013098723 A1 US2013098723 A1 US 2013098723A1
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United States
Prior art keywords
power
power supply
electric vehicle
electric
vehicle
Prior art date
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Abandoned
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US13/496,100
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English (en)
Inventor
Dong Ho Cho
Nam Pyo Suh
Chang Kyoung Eem
Young Min Kim
Sang Joo Yoo
Hyun Woo Chu
Mi Hyun Park
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Korea Advanced Institute of Science and Technology KAIST
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Korea Advanced Institute of Science and Technology KAIST
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Assigned to KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY reassignment KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHUN, HYUN WOO, YOO, SANG JOO, PARK, MI HYUN, EEM, CHANG KYOUNG, SUH, NAM PYO, CHO, DONG HO, KIM, YOUNG MIN
Publication of US20130098723A1 publication Critical patent/US20130098723A1/en
Abandoned legal-status Critical Current

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    • B60L11/182—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/005—Current collectors for power supply lines of electrically-propelled vehicles without mechanical contact between the collector and the power supply line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/32—Constructional details of charging stations by charging in short intervals along the itinerary, e.g. during short stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • B60L53/39—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L9/00—Electric propulsion with power supply external to the vehicle
    • B60L9/02—Electric propulsion with power supply external to the vehicle using dc motors
    • B60L9/08—Electric propulsion with power supply external to the vehicle using dc motors fed from ac supply lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/02—Details
    • B60M1/10—Arrangements for energising and de-energising power line sections using magnetic actuation by the passing vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to a method and an apparatus for transporting power to an electric vehicle with segments of power supply road and, more particularly to a method and an apparatus for transporting power to an electric vehicle by operating only a segment of power supply road of a power supply equipment including a plurality of power supply segments, where the electric vehicle passes through, in a power transport system transporting power to an electric vehicle by means of electromagnetic induction by a power supply laid under a power supply road.
  • vehicles are driven with fossil fuel.
  • Exhaust gas drained out of a vehicle after combustion the fossil fuel for driving an engine, causes environmental pollution such as air pollution and global warming.
  • Environmental pollution such as air pollution and global warming.
  • Many researches for vehicles using alternative energy are conducted to solve the environmental pollution.
  • There are alternative energy vehicles such vehicles driven by rechargeable batteries, a fuel cell having hydrogen and oxygen, solar panels, and the like.
  • the electric vehicles have the batteries insufficient to traveling a long distance. Moreover, the electric vehicles with batteries should be stopped while the batteries are recharged. A travelable distance of the electric vehicle with once-recharged capacity of the batteries is limited. To solve this problem, technology of increasing the capacity of batteries and efficiency of a power supply system has been developed, however since the weight of the electric vehicle increases due to the batteries, this power supply system has a low efficiency. Moreover, price of the electric vehicle increases due to the batteries.
  • FIG. 1 shows a power transporting system of a power supply road for an online electric vehicle.
  • electromagnetic field 10 is generated on a power supply road 100 under which power supply to transport electric power to the electric vehicles by means of electromagnetic induction is laid, and a pantograph 210 collecting the electric power supplied from the power supply is installed in the electric vehicles 200 .
  • power feed lines extends along the power supply road to transport electric power in the existing power supply of electric vehicles, the power supply is operated by electromagnetic field regardless whether electric vehicles travel on the power supply road and costs for managing the power supply road is very expensive.
  • Electromagnetic waves have a bad impact to person and/or general vehicles on the power supply road. Moreover, it is not easy to replace some malfunctioned or broken power supply with a new one.
  • Another object of the present invention is to provide an apparatus for and a method of allowing to rapidly and easily repair a power supply when replacing a broken or malfunctioned module of the power supply.
  • a power transport apparatus for transporting electric power to an electric vehicle on the road, the apparatus including a plurality of power supply units provided at a road in a longitudinal direction of the road, one or more of the power supply units simultaneously transporting the electric power to the electric vehicle; and a power line supplying the electric power to the respective power supply units.
  • a power transport apparatus for transporting electric power to an electric vehicle, the apparatus including a plurality of power supply units provided at the road in a longitudinal direction of the road and transporting the electric power to the electric vehicle on the road; a power line supplying the electric power to the respective power supply units; and a segment controller controlling the power supply units in a manner that one or more of the power supply units simultaneously transport an electrical power to the electric vehicle.
  • a power transport method of transporting electric power to an electric vehicle using a plurality of power supply units provided at a road including detecting, by a specific power supply unit, the electric vehicle placed on the specific power supply unit; performing power transportation by the specific power supply unit; and cutting off the power transportation when the electric vehicle is not detected.
  • a power transport method of transporting electric power to an electric vehicle using a plurality of power supply units provided at a road including detecting, by a specific power supply unit, the electric vehicle placed on the specific power supply unit; transmitting, by the specific power supply unit, information of the specific power transport to the electric vehicle; receiving, by a segment controller, information on the power supply unit on which the electric vehicle is placed and vehicle information including a speed of the electric vehicle from the electric vehicle; performing, by the segment controller, power transportation of the power supply unit on which the electric vehicle is placed based on the vehicle information; and cutting off, by the segment controller, the power transportation of the power supply unit over which the electric vehicle passed over.
  • the power supply units which are the segments of power supply road, on the power supply road through which none of electric vehicles passes are controlled not to generated electromagnetic field used to transport electric power to the electric vehicles so that persons and/or general vehicles on common road may be prevented from damage by electromagnetic waves and that power consumption of the power supply road may be reduced and power transport efficiency may be improved.
  • the power supply may be easily and rapidly replaced with a new one only by the replacement of broken or malfunctioned module of the power supply.
  • FIG. 1 is a view illustrating an existing method of transporting electric power from a power supply road to an online electric vehicle
  • FIG. 2 is a perspective view illustrating a segment of power supply road according to one embodiment of the present invention
  • FIG. 3 is a perspective view illustrating an arrangement of a plurality of segments of power supply road in a power supply road according to the embodiment of the present invention
  • FIG. 4 is a view illustrating an electric vehicle having a pantograph and segments of power supply road laid under the power supply road, according to the embodiment of the present invention
  • FIG. 5 is view illustrating power transport performed by segments of power supply road according to the embodiment of the present invention.
  • FIG. 6 is view illustrating transport of electric power performed by segments of power supply road according to another embodiment of the present invention.
  • FIG. 7 is a view illustrating flow of control signals between an online electric vehicle, segments of power supply road, and a segment controller, for the control of the power transportation performed by the segment controller.
  • FIG. 2 is a perspective view illustrating a segment of power supply road 300 , performing as a power supply unit, according to an embodiment of the present invention.
  • the segment of power supply road 300 of a power transport laid under a power supply road as a unit module to transport electric power to an electric vehicle includes a power feed line 302 generating electromagnetic field when an electric current flows, a power switch 301 transporting or interrupting electric power from power lines 20 to the power feed line 302 of the segment of power supply road 300 , a vehicle detecting sensor 303 detecting an electric vehicle placed on the segment of power supply road 300 , and a controller 305 to control the power switch 301 when a vehicle detecting signal is received from the vehicle detecting sensor 303 .
  • the vehicle detecting sensor 303 detects the electric vehicle placed on the segment of power supply road 300 and transmits a vehicle detecting signal to the controller 305 when the electric vehicle is detected.
  • the vehicle detecting sensor 303 is installed at a position corresponding to respective halves of a length and a width of the segment of power supply road 300 .
  • the controller 305 controls the power switch 301 to flow current through the power feed line 302 when receiving the vehicle detecting signal from the vehicle detecting sensor 303 . By doing so, electromagnetic field is generated at the segment of power supply road 300 so that electric power is supplied (transported) to the electric vehicle.
  • the controller 305 When the controller 305 does not receive the vehicle detecting signal from the vehicle detecting sensor 303 , the controller 305 controls the power switch 301 not to flow current through the power feed line 302 in order to stop the electromagnetic field to generate.
  • the segment of power supply road 300 may further include a communication unit 304 to transmit and receive information of controlling the electric vehicle traveling on the power supply road and the control of transporting electric power thereto.
  • the information transmitted and received by the transceiver 304 includes an identification information ID of the segment of power supply road 300 and ON/OFF status information of the segment of power supply road 300 transmitted to the electric vehicle and information such as a vehicle identification ID and travel speed of the electric vehicle received from the electric vehicle.
  • FIG. 3 is a view illustrating an arrangement of a plurality of segments of power supply road 300 in a power supply road according to the embodiment of the present invention.
  • a segment power supply 600 converts three-phase alternating current voltage into direct current voltage using a rectifier and converts the direct current voltage into alternating current voltage using an inverter.
  • the inverter of the segment power supply 600 When the inverter of the segment power supply 600 is installed near the segment of power supply road, efficiency of the transport of electric power is improved. Considering this, for achieving high efficiency of the power transport, the rectifier converting the alternating current voltage into the direct current voltage is separated from the inverter converting the direct current voltage into the alternating current voltage, and the rectifier and the inverter are installed at different positions while installing the inverter near the segment of power supply road.
  • FIG. 4 is a view illustrating an electric vehicle 200 having a pantograph 210 and segments of power supply road 300 laid under the power supply road, according to the embodiment of the present invention.
  • FIG. 4 shows a plan view 410 and a side view 420 of the electric vehicle 200 .
  • the pantograph 210 receives electric power by means of electromagnetic field generated when the power switch 301 of the segment of power supply road 300 that is laid under the power supply road is switched on.
  • the electric vehicle 200 includes a communication unit 220 transmitting and receiving information about the transport of electric power to and from the communication unit 304 of the segment of power supply road 300 .
  • the information transmitted and received by the communication unit 220 of the electric vehicle 200 includes an identification information ID and ON/OFF status information of the segment of power supply road 300 , received from the segment of power supply road 300 , and an identification information ID and a speed of the electric vehicle transmitted to the segment of power supply road 300 .
  • the communication unit 220 of the electric vehicle 200 is installed at a position corresponding to about 1/3 from a front side, a center in the lateral direction, and a lower side of the electric vehicle 200 .
  • the pantograph 210 may be positioned at the lower center of the electric vehicle 200 , have a size with the almost same as width of the electric vehicle 200 , may be about 1/3 of the electric vehicle 200 long, and have a rectangular shape.
  • the length of the segments of power supply road laid under the power supply road is 1/3 of the length of the shortest electric vehicle.
  • FIG. 5 is view illustrating power transport performed by segments of power supply road according to the embodiment of the present invention.
  • a power switch of the segment of power supply road 511 When a vehicle detecting sensor of a specific segment of power supply road 511 detects an electric vehicle 200 , a power switch of the segment of power supply road 511 is switched on to generate electromagnetic field 512 and electric power is transported to the electric vehicle 200 . As illustrated in FIG. 5 , power switches of segments of power supply road 513 were switched ‘ON’ to transport the electric power to the electric vehicle 200 when the electric vehicle 200 passed over the segments of power supply road 513 , and now when the electric vehicle 200 went away from the segments of power supply road 513 , the power switches 513 are switched ‘OFF’.
  • FIGS. 6 and 7 show another embodiment of power transporting method performed the segment of power supply road according to the embodiment of the present invention.
  • Structure of the segment of power supply road, the arrangement of the segments of power supply road under the power supply road, and the pantograph installed in the online electric vehicle are the same as those of the previous embodiment of the present invention.
  • FIG. 6 is view illustrating transport of electric power by segments of power supply road according to the present embodiment of the present invention.
  • the specific number of succeeding segments of power supply road is grouped for the stable power transportation and all segments of power supply road in one group 711 are controlled to be switched on and generate electromagnetic field 712 so that electric power is transported to the electric vehicle 200 .
  • the control of the segments of power supply road is performed by a segment controller 500 provided outside the segments of power supply road. Since the segments of power supply road are controlled by the segment controller 500 , the controllers 305 of the respective segments of power supply road do not need.
  • FIG. 7 is a view illustrating flow of control signals between an online electric vehicle 200 , segments of power supply road 300 , and a segment controller 500 , for controlling the power transportation performed by the segment controller.
  • the control of power transportation is performed by the segment controller 500 .
  • the communication unit 304 of the segment of power supply road 300 transmits identification information, that is, the ID of the segment of power supply road 300 to the communication unit 220 of the detected electric vehicle 200 entered the power supply road via wireless line (S 601 ).
  • the communication unit 202 of the electric vehicle 200 received the information from the segment of power supply road 300 transmits information on the electric vehicle 200 including the information received from the segment of power supply road 300 to the segment controller 500 (S 602 ).
  • the information on the electric vehicle may include the information on the segment of power supply road 300 at which the electric vehicle is positioned, that is, the ID of the segment of power supply road 300 received from the segment of power supply road 300 .
  • the segment controller 500 received the information on the electric vehicle from the electric vehicle 200 transmits a command of ‘switch ON’ to the segment of power supply road 300 promptly (S 603 ), and the segment of power supply road 300 is switched on and transmits the switched-ON status to the segment controller 300 (S 604 ).
  • the information of the electric vehicle transmitted from the electric vehicle 200 to the segment controller 500 may further include a travel speed of the electric vehicle 200 .
  • the segment controller 500 determines a segment of power supply road to be switched on in addition to the segment of power supply road 300 based on the ID of the segment of power supply road 300 and the speed information of the electric vehicle (S 602 ) and transmits a switching-on command to the determined segment of power supply road (S 603 ).
  • the segment controller 500 may control several segments of power supply road as a group to be switched on/off. That is, for the stable power transportation at a high speed of the electric vehicle, the specific number of succeeding segments of power supply road around the segment of power supply road detecting the electric vehicle may be bound into one group to be switched on at the same time. This case is depicted in FIG. 6 .
  • the information of the electric vehicle transmitted from the electric vehicle 200 to the segment controller 500 may further include information such as the ID of the electric vehicle and whether the vehicle needs to be recharged and the information may be used to switch on/off the segments of power supply road.
  • information such as the ID of the electric vehicle and whether the vehicle needs to be recharged and the information may be used to switch on/off the segments of power supply road.
  • power transport time spent in the segment of power supply road delay time of communication between the electric vehicle and the segments of power supply road, delay time of communication between the electric vehicle and the segment controller, and delay time of communication between the segments of power supply road and the segment controller may be considered in addition to the ID of the electric vehicle.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
US13/496,100 2009-10-15 2010-10-15 Method and apparatus for transporting power to electric vehicle with segments of power supply road Abandoned US20130098723A1 (en)

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KR1020090098406A KR20110041307A (ko) 2009-10-15 2009-10-15 세그먼트화된 전기자동차용 급전제어 방법 및 장치
KR10-2009-0098406 2009-10-15
PCT/KR2010/007103 WO2011046400A2 (fr) 2009-10-15 2010-10-15 Procédé et appareil pour transporter de l'énergie jusqu'à un véhicule électrique au moyen de segments de route fournissant de l'énergie électrique

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US20120261482A1 (en) * 2009-12-21 2012-10-18 Bombardier Transportation Gmbh Track for a track bound vehicle
US20120318624A1 (en) * 2010-02-23 2012-12-20 Bombardier Transportation Gmbh Detecting the presence of a vehicle
US20130154553A1 (en) * 2011-02-22 2013-06-20 Daniel W. Steele Wireless Automated Vehicle Energizing System
US20130233663A1 (en) * 2010-11-22 2013-09-12 Bombardier Transportation Gmbh Route for vehicles and method of building the route
US20140125286A1 (en) * 2012-05-14 2014-05-08 Korea Advanced Institute Of Science And Technology Method for controlling the charging of segments for an online electric vehicle
US20140138199A1 (en) * 2012-11-21 2014-05-22 Toyota Jidosha Kabushiki Kaisha Power transmitting device and power transfer system
US20140174870A1 (en) * 2011-09-16 2014-06-26 Motonao Niizuma Vehicle electric power supply system
US20140318913A1 (en) * 2011-11-10 2014-10-30 Bombardier Transportation Gmbh Inductively Transferring Electric Energy to a Vehicle Using Consecutive Segments Which are Operated at the Same Time
US20150251552A1 (en) * 2012-11-13 2015-09-10 Alcatel Lucent Device and a method for controlling an induction coil
JP2016082684A (ja) * 2014-10-15 2016-05-16 Tdk株式会社 非接触給電装置
JP2017147822A (ja) * 2016-02-16 2017-08-24 Tdk株式会社 ワイヤレス電力伝送システム
WO2019161921A1 (fr) * 2018-02-23 2019-08-29 Industrieanlagen-Betriebsgesellschaft Mbh Dispositif de génération d'un champ magnétique, notamment pour un système de charge inductif, et dispositif primaire d'un système de charge inductif pour la charge dynamique de véhicules
GB2574198A (en) * 2018-05-25 2019-12-04 Sony Interactive Entertainment Inc Apparatus, system and method of wireless robot charging
CN114747115A (zh) * 2019-09-16 2022-07-12 犹他州大学 动态无线电力传送基座垫
EP4112363A1 (fr) * 2021-06-17 2023-01-04 Toyota Jidosha Kabushiki Kaisha Véhicule, appareil d'alimentation électrique au sol et système d'alimentation électrique sans contact

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GB2491652A (en) * 2011-06-10 2012-12-12 Bombardier Transp Gmbh System and Method for Transferring Electric Energy to a Vehicle Using a Plurality of Segments of a Conductor Arrangement
GB2491651A (en) 2011-06-10 2012-12-12 Bombardier Transp Gmbh System and Method for Transferring Electric Energy to a Vehicle Using Constant Current Operation of Segments of a Conductor Arrangement at resonance frequency
KR101279782B1 (ko) * 2011-06-21 2013-06-28 한국과학기술원 부하 세그먼트를 인식하는 급전장치 및 그 구동방법
KR101270758B1 (ko) * 2011-11-28 2013-06-03 한국철도기술연구원 전기 차량의 급전 및 비급전 구간 전이 제어 시스템
EP2612784B1 (fr) 2012-01-09 2014-05-14 Alcatel Lucent Procédé et dispositif pour déterminer les informations sur l'efficacité d'un système de chargement inductif, ayant une bobine primaire intégrée dans une infrastructure routière
KR101337002B1 (ko) * 2012-02-06 2013-12-04 한국과학기술원 최적 정보를 이용한 최적 운행 정보 결정 방법 및 장치
DE102012013498B3 (de) 2012-07-06 2013-01-17 Audi Ag Vorrichtung zur induktiven Übertragung elektrischer Energie an ein Fahrzeug
CN109017346B (zh) * 2012-11-12 2022-01-25 奥克兰联合服务有限公司 车辆或移动对象检测
FR2998427B1 (fr) * 2012-11-21 2015-07-17 Renault Sas Systeme de charge sans contact d'une batterie d'un vehicule en mouvement
DE102014001622A1 (de) * 2014-01-29 2015-07-30 Hans Häßler Verfahren zum Nachladen von Bordbatterien für elektrischen oder Hybridantrieb durch AULE
US9511674B2 (en) 2014-04-18 2016-12-06 Qualcomm Incorporated Base distribution network for dynamic wireless charging
KR20150129142A (ko) * 2014-05-08 2015-11-19 이태호 태양광 발전을 이용한 전기 자동차 충전 시스템 및 방법
CN108352109B (zh) * 2015-11-17 2021-10-15 沃尔沃卡车集团 用于检测车辆的即将到来的道路情况的方法
KR102185622B1 (ko) * 2018-12-27 2020-12-02 한국과학기술원 주행차량의 무선충전 급전 시스템 및 그의 제어 방법
DE102019117040A1 (de) * 2019-06-25 2020-12-31 Teccad Engineering Gmbh System zum induktiven Laden elektrischer Batterien in einem Straßenfahrzeug
KR102370592B1 (ko) * 2019-11-21 2022-03-08 한국과학기술원 차량 위치 기반 무선 충전 인버터의 전력 제어 방법 및 장치
KR102490483B1 (ko) * 2020-09-24 2023-01-20 한국자동차연구원 온라인 전기차량의 충전 제어 시스템 및 방법
KR102512594B1 (ko) * 2020-10-21 2023-03-28 한국자동차연구원 온라인 전기차량의 충전 제어 시스템 및 방법
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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120261482A1 (en) * 2009-12-21 2012-10-18 Bombardier Transportation Gmbh Track for a track bound vehicle
US20120318624A1 (en) * 2010-02-23 2012-12-20 Bombardier Transportation Gmbh Detecting the presence of a vehicle
US20130233663A1 (en) * 2010-11-22 2013-09-12 Bombardier Transportation Gmbh Route for vehicles and method of building the route
US9067496B2 (en) * 2010-11-22 2015-06-30 Bombardier Transportation Gmbh Route for vehicles and method of building the route
US20130154553A1 (en) * 2011-02-22 2013-06-20 Daniel W. Steele Wireless Automated Vehicle Energizing System
US20140174870A1 (en) * 2011-09-16 2014-06-26 Motonao Niizuma Vehicle electric power supply system
US9027723B2 (en) * 2011-09-16 2015-05-12 Ihi Corporation Vehicle electric power supply system
US9260029B2 (en) * 2011-09-16 2016-02-16 Ihi Corporation Vehicle electric power supply system
US20150210178A1 (en) * 2011-09-16 2015-07-30 Ihi Corporation Vehicle electric power supply system
US9327602B2 (en) * 2011-11-10 2016-05-03 Bombardier Transportation Gmbh Inductively transferring electric energy to a vehicle using consecutive segments which are operated at the same time
US20140318913A1 (en) * 2011-11-10 2014-10-30 Bombardier Transportation Gmbh Inductively Transferring Electric Energy to a Vehicle Using Consecutive Segments Which are Operated at the Same Time
US20140125286A1 (en) * 2012-05-14 2014-05-08 Korea Advanced Institute Of Science And Technology Method for controlling the charging of segments for an online electric vehicle
US20150251552A1 (en) * 2012-11-13 2015-09-10 Alcatel Lucent Device and a method for controlling an induction coil
US9067497B2 (en) * 2012-11-21 2015-06-30 Toyota Jidosha Kabushiki Kaisha Power transmitting device and power transfer system
US20140138199A1 (en) * 2012-11-21 2014-05-22 Toyota Jidosha Kabushiki Kaisha Power transmitting device and power transfer system
JP2016082684A (ja) * 2014-10-15 2016-05-16 Tdk株式会社 非接触給電装置
JP2017147822A (ja) * 2016-02-16 2017-08-24 Tdk株式会社 ワイヤレス電力伝送システム
WO2019161921A1 (fr) * 2018-02-23 2019-08-29 Industrieanlagen-Betriebsgesellschaft Mbh Dispositif de génération d'un champ magnétique, notamment pour un système de charge inductif, et dispositif primaire d'un système de charge inductif pour la charge dynamique de véhicules
CN111801245A (zh) * 2018-02-23 2020-10-20 工业设备运营公司 产生磁场的设备，特别是为感应式充电系统产生磁场的设备，以及对交通工具动态充电的感应式充电系统的初级装置
GB2574198A (en) * 2018-05-25 2019-12-04 Sony Interactive Entertainment Inc Apparatus, system and method of wireless robot charging
GB2574198B (en) * 2018-05-25 2020-11-04 Sony Interactive Entertainment Inc Apparatus, system and method of wireless robot charging
US11114894B2 (en) 2018-05-25 2021-09-07 Sony Interactive Entertainment Inc. Apparatus system and method of wireless robot charging
CN114747115A (zh) * 2019-09-16 2022-07-12 犹他州大学 动态无线电力传送基座垫
EP4112363A1 (fr) * 2021-06-17 2023-01-04 Toyota Jidosha Kabushiki Kaisha Véhicule, appareil d'alimentation électrique au sol et système d'alimentation électrique sans contact

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